diff --git a/Doc/c-api/init.rst b/Doc/c-api/init.rst
index 1fab3f577f2..fd97d1d6ec3 100644
--- a/Doc/c-api/init.rst
+++ b/Doc/c-api/init.rst
@@ -1218,7 +1218,7 @@ All of the following functions must be called after :c:func:`Py_Initialize`.
 .. c:function:: void PyThreadState_DeleteCurrent(void)
 
    Destroy the current thread state and release the global interpreter lock.
-   Like :c:func:`PyThreadState_Delete`, the global interpreter lock need not
+   Like :c:func:`PyThreadState_Delete`, the global interpreter lock must
    be held. The thread state must have been reset with a previous call
    to :c:func:`PyThreadState_Clear`.